1/* $NetBSD: puc.c,v 1.7 2000/07/29 17:43:38 jlam Exp $ */
2
3/*-
4 * Copyright (c) 2002 JF Hay. All rights reserved.
5 * Copyright (c) 2000 M. Warner Losh. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
12 * disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
| 1/* $NetBSD: puc.c,v 1.7 2000/07/29 17:43:38 jlam Exp $ */
2
3/*-
4 * Copyright (c) 2002 JF Hay. All rights reserved.
5 * Copyright (c) 2000 M. Warner Losh. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
12 * disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
|
30__FBSDID("$FreeBSD: head/sys/dev/puc/puc_pci.c 121939 2003-11-03 09:22:18Z dfr $");
| 30__FBSDID("$FreeBSD: head/sys/dev/puc/puc_pci.c 123019 2003-11-28 05:28:29Z imp $");
|
31
32/*
33 * Copyright (c) 1996, 1998, 1999
34 * Christopher G. Demetriou. All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 * 3. All advertising materials mentioning features or use of this software
45 * must display the following acknowledgement:
46 * This product includes software developed by Christopher G. Demetriou
47 * for the NetBSD Project.
48 * 4. The name of the author may not be used to endorse or promote products
49 * derived from this software without specific prior written permission
50 *
51 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
52 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
53 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
54 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
55 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
56 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
60 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61 */
62
63#include <sys/cdefs.h>
| 31
32/*
33 * Copyright (c) 1996, 1998, 1999
34 * Christopher G. Demetriou. All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 * 3. All advertising materials mentioning features or use of this software
45 * must display the following acknowledgement:
46 * This product includes software developed by Christopher G. Demetriou
47 * for the NetBSD Project.
48 * 4. The name of the author may not be used to endorse or promote products
49 * derived from this software without specific prior written permission
50 *
51 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
52 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
53 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
54 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
55 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
56 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
60 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61 */
62
63#include <sys/cdefs.h>
|
64__FBSDID("$FreeBSD: head/sys/dev/puc/puc_pci.c 121939 2003-11-03 09:22:18Z dfr $");
| 64__FBSDID("$FreeBSD: head/sys/dev/puc/puc_pci.c 123019 2003-11-28 05:28:29Z imp $");
|
65
66#include "opt_puc.h"
67
68#include <sys/param.h>
69#include <sys/systm.h>
70#include <sys/kernel.h>
71#include <sys/bus.h>
72#include <sys/conf.h>
73#include <sys/malloc.h>
74
75#include <machine/bus.h>
76#include <machine/resource.h>
77#include <sys/rman.h>
78
79#include <dev/pci/pcireg.h>
80#include <dev/pci/pcivar.h>
81
82#define PUC_ENTRAILS 1
83#include <dev/puc/pucvar.h>
84
85extern const struct puc_device_description puc_devices[];
86
87int puc_config_win877(struct puc_softc *);
88
89static const struct puc_device_description *
90puc_find_description(uint32_t vend, uint32_t prod, uint32_t svend,
91 uint32_t sprod)
92{
93 int i;
94
95#define checkreg(val, index) \
96 (((val) & puc_devices[i].rmask[(index)]) == puc_devices[i].rval[(index)])
97
98 for (i = 0; puc_devices[i].name != NULL; i++) {
99 if (checkreg(vend, PUC_REG_VEND) &&
100 checkreg(prod, PUC_REG_PROD) &&
101 checkreg(svend, PUC_REG_SVEND) &&
102 checkreg(sprod, PUC_REG_SPROD))
103 return (&puc_devices[i]);
104 }
105
106#undef checkreg
107
108 return (NULL);
109}
110
111static int
112puc_pci_probe(device_t dev)
113{
114 uint32_t v1, v2, d1, d2;
115 const struct puc_device_description *desc;
116
117 if ((pci_read_config(dev, PCIR_HDRTYPE, 1) & PCIM_HDRTYPE) != 0)
118 return (ENXIO);
119
120 v1 = pci_read_config(dev, PCIR_VENDOR, 2);
121 d1 = pci_read_config(dev, PCIR_DEVICE, 2);
122 v2 = pci_read_config(dev, PCIR_SUBVEND_0, 2);
123 d2 = pci_read_config(dev, PCIR_SUBDEV_0, 2);
124
125 desc = puc_find_description(v1, d1, v2, d2);
126 if (desc == NULL)
127 return (ENXIO);
128 device_set_desc(dev, desc->name);
129 return (0);
130}
131
132static int
133puc_pci_attach(device_t dev)
134{
135 uint32_t v1, v2, d1, d2;
136
137 v1 = pci_read_config(dev, PCIR_VENDOR, 2);
138 d1 = pci_read_config(dev, PCIR_DEVICE, 2);
139 v2 = pci_read_config(dev, PCIR_SUBVEND_0, 2);
140 d2 = pci_read_config(dev, PCIR_SUBDEV_0, 2);
141 return (puc_attach(dev, puc_find_description(v1, d1, v2, d2)));
142}
143
144static device_method_t puc_pci_methods[] = {
145 /* Device interface */
146 DEVMETHOD(device_probe, puc_pci_probe),
147 DEVMETHOD(device_attach, puc_pci_attach),
148
149 DEVMETHOD(bus_alloc_resource, puc_alloc_resource),
150 DEVMETHOD(bus_release_resource, puc_release_resource),
151 DEVMETHOD(bus_get_resource, puc_get_resource),
152 DEVMETHOD(bus_read_ivar, puc_read_ivar),
153 DEVMETHOD(bus_setup_intr, puc_setup_intr),
154 DEVMETHOD(bus_teardown_intr, puc_teardown_intr),
155 DEVMETHOD(bus_print_child, bus_generic_print_child),
156 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
157 { 0, 0 }
158};
159
160static driver_t puc_pci_driver = {
161 "puc",
162 puc_pci_methods,
163 sizeof(struct puc_softc),
164};
165
166DRIVER_MODULE(puc, pci, puc_pci_driver, puc_devclass, 0, 0);
| 65
66#include "opt_puc.h"
67
68#include <sys/param.h>
69#include <sys/systm.h>
70#include <sys/kernel.h>
71#include <sys/bus.h>
72#include <sys/conf.h>
73#include <sys/malloc.h>
74
75#include <machine/bus.h>
76#include <machine/resource.h>
77#include <sys/rman.h>
78
79#include <dev/pci/pcireg.h>
80#include <dev/pci/pcivar.h>
81
82#define PUC_ENTRAILS 1
83#include <dev/puc/pucvar.h>
84
85extern const struct puc_device_description puc_devices[];
86
87int puc_config_win877(struct puc_softc *);
88
89static const struct puc_device_description *
90puc_find_description(uint32_t vend, uint32_t prod, uint32_t svend,
91 uint32_t sprod)
92{
93 int i;
94
95#define checkreg(val, index) \
96 (((val) & puc_devices[i].rmask[(index)]) == puc_devices[i].rval[(index)])
97
98 for (i = 0; puc_devices[i].name != NULL; i++) {
99 if (checkreg(vend, PUC_REG_VEND) &&
100 checkreg(prod, PUC_REG_PROD) &&
101 checkreg(svend, PUC_REG_SVEND) &&
102 checkreg(sprod, PUC_REG_SPROD))
103 return (&puc_devices[i]);
104 }
105
106#undef checkreg
107
108 return (NULL);
109}
110
111static int
112puc_pci_probe(device_t dev)
113{
114 uint32_t v1, v2, d1, d2;
115 const struct puc_device_description *desc;
116
117 if ((pci_read_config(dev, PCIR_HDRTYPE, 1) & PCIM_HDRTYPE) != 0)
118 return (ENXIO);
119
120 v1 = pci_read_config(dev, PCIR_VENDOR, 2);
121 d1 = pci_read_config(dev, PCIR_DEVICE, 2);
122 v2 = pci_read_config(dev, PCIR_SUBVEND_0, 2);
123 d2 = pci_read_config(dev, PCIR_SUBDEV_0, 2);
124
125 desc = puc_find_description(v1, d1, v2, d2);
126 if (desc == NULL)
127 return (ENXIO);
128 device_set_desc(dev, desc->name);
129 return (0);
130}
131
132static int
133puc_pci_attach(device_t dev)
134{
135 uint32_t v1, v2, d1, d2;
136
137 v1 = pci_read_config(dev, PCIR_VENDOR, 2);
138 d1 = pci_read_config(dev, PCIR_DEVICE, 2);
139 v2 = pci_read_config(dev, PCIR_SUBVEND_0, 2);
140 d2 = pci_read_config(dev, PCIR_SUBDEV_0, 2);
141 return (puc_attach(dev, puc_find_description(v1, d1, v2, d2)));
142}
143
144static device_method_t puc_pci_methods[] = {
145 /* Device interface */
146 DEVMETHOD(device_probe, puc_pci_probe),
147 DEVMETHOD(device_attach, puc_pci_attach),
148
149 DEVMETHOD(bus_alloc_resource, puc_alloc_resource),
150 DEVMETHOD(bus_release_resource, puc_release_resource),
151 DEVMETHOD(bus_get_resource, puc_get_resource),
152 DEVMETHOD(bus_read_ivar, puc_read_ivar),
153 DEVMETHOD(bus_setup_intr, puc_setup_intr),
154 DEVMETHOD(bus_teardown_intr, puc_teardown_intr),
155 DEVMETHOD(bus_print_child, bus_generic_print_child),
156 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
157 { 0, 0 }
158};
159
160static driver_t puc_pci_driver = {
161 "puc",
162 puc_pci_methods,
163 sizeof(struct puc_softc),
164};
165
166DRIVER_MODULE(puc, pci, puc_pci_driver, puc_devclass, 0, 0);
|
| 167DRIVER_MODULE(puc, cardbus, puc_pci_driver, puc_devclass, 0, 0);
|
167
168
169#define rdspio(indx) (bus_space_write_1(bst, bsh, efir, indx), \
170 bus_space_read_1(bst, bsh, efdr))
171#define wrspio(indx,data) (bus_space_write_1(bst, bsh, efir, indx), \
172 bus_space_write_1(bst, bsh, efdr, data))
173
174#ifdef PUC_DEBUG
175static void
176puc_print_win877(bus_space_tag_t bst, bus_space_handle_t bsh, u_int efir,
177 u_int efdr)
178{
179 u_char cr00, cr01, cr04, cr09, cr0d, cr14, cr15, cr16, cr17;
180 u_char cr18, cr19, cr24, cr25, cr28, cr2c, cr31, cr32;
181
182 cr00 = rdspio(0x00);
183 cr01 = rdspio(0x01);
184 cr04 = rdspio(0x04);
185 cr09 = rdspio(0x09);
186 cr0d = rdspio(0x0d);
187 cr14 = rdspio(0x14);
188 cr15 = rdspio(0x15);
189 cr16 = rdspio(0x16);
190 cr17 = rdspio(0x17);
191 cr18 = rdspio(0x18);
192 cr19 = rdspio(0x19);
193 cr24 = rdspio(0x24);
194 cr25 = rdspio(0x25);
195 cr28 = rdspio(0x28);
196 cr2c = rdspio(0x2c);
197 cr31 = rdspio(0x31);
198 cr32 = rdspio(0x32);
199 printf("877T: cr00 %x, cr01 %x, cr04 %x, cr09 %x, cr0d %x, cr14 %x, "
200 "cr15 %x, cr16 %x, cr17 %x, cr18 %x, cr19 %x, cr24 %x, cr25 %x, "
201 "cr28 %x, cr2c %x, cr31 %x, cr32 %x\n", cr00, cr01, cr04, cr09,
202 cr0d, cr14, cr15, cr16, cr17,
203 cr18, cr19, cr24, cr25, cr28, cr2c, cr31, cr32);
204}
205#endif
206
207int
208puc_config_win877(struct puc_softc *sc)
209{
210 u_char val;
211 u_int efir, efdr;
212 bus_space_tag_t bst;
213 bus_space_handle_t bsh;
214 struct resource *res;
215
216 res = sc->sc_bar_mappings[0].res;
217
218 bst = rman_get_bustag(res);
219 bsh = rman_get_bushandle(res);
220
221 /* configure the first W83877TF */
222 bus_space_write_1(bst, bsh, 0x250, 0x89);
223 efir = 0x251;
224 efdr = 0x252;
225 val = rdspio(0x09) & 0x0f;
226 if (val != 0x0c) {
227 printf("conf_win877: Oops not a W83877TF\n");
228 return (ENXIO);
229 }
230
231#ifdef PUC_DEBUG
232 printf("before: ");
233 puc_print_win877(bst, bsh, efir, efdr);
234#endif
235
236 val = rdspio(0x16);
237 val |= 0x04;
238 wrspio(0x16, val);
239 val &= ~0x04;
240 wrspio(0x16, val);
241
242 wrspio(0x24, 0x2e8 >> 2);
243 wrspio(0x25, 0x2f8 >> 2);
244 wrspio(0x17, 0x03);
245 wrspio(0x28, 0x43);
246
247#ifdef PUC_DEBUG
248 printf("after: ");
249 puc_print_win877(bst, bsh, efir, efdr);
250#endif
251
252 bus_space_write_1(bst, bsh, 0x250, 0xaa);
253
254 /* configure the second W83877TF */
255 bus_space_write_1(bst, bsh, 0x3f0, 0x87);
256 bus_space_write_1(bst, bsh, 0x3f0, 0x87);
257 efir = 0x3f0;
258 efdr = 0x3f1;
259 val = rdspio(0x09) & 0x0f;
260 if (val != 0x0c) {
261 printf("conf_win877: Oops not a W83877TF\n");
262 return(ENXIO);
263 }
264
265#ifdef PUC_DEBUG
266 printf("before: ");
267 puc_print_win877(bst, bsh, efir, efdr);
268#endif
269
270 val = rdspio(0x16);
271 val |= 0x04;
272 wrspio(0x16, val);
273 val &= ~0x04;
274 wrspio(0x16, val);
275
276 wrspio(0x24, 0x3e8 >> 2);
277 wrspio(0x25, 0x3f8 >> 2);
278 wrspio(0x17, 0x03);
279 wrspio(0x28, 0x43);
280
281#ifdef PUC_DEBUG
282 printf("after: ");
283 puc_print_win877(bst, bsh, efir, efdr);
284#endif
285
286 bus_space_write_1(bst, bsh, 0x3f0, 0xaa);
287 return (0);
288}
289
290#undef rdspio
291#undef wrspio
292
| 168
169
170#define rdspio(indx) (bus_space_write_1(bst, bsh, efir, indx), \
171 bus_space_read_1(bst, bsh, efdr))
172#define wrspio(indx,data) (bus_space_write_1(bst, bsh, efir, indx), \
173 bus_space_write_1(bst, bsh, efdr, data))
174
175#ifdef PUC_DEBUG
176static void
177puc_print_win877(bus_space_tag_t bst, bus_space_handle_t bsh, u_int efir,
178 u_int efdr)
179{
180 u_char cr00, cr01, cr04, cr09, cr0d, cr14, cr15, cr16, cr17;
181 u_char cr18, cr19, cr24, cr25, cr28, cr2c, cr31, cr32;
182
183 cr00 = rdspio(0x00);
184 cr01 = rdspio(0x01);
185 cr04 = rdspio(0x04);
186 cr09 = rdspio(0x09);
187 cr0d = rdspio(0x0d);
188 cr14 = rdspio(0x14);
189 cr15 = rdspio(0x15);
190 cr16 = rdspio(0x16);
191 cr17 = rdspio(0x17);
192 cr18 = rdspio(0x18);
193 cr19 = rdspio(0x19);
194 cr24 = rdspio(0x24);
195 cr25 = rdspio(0x25);
196 cr28 = rdspio(0x28);
197 cr2c = rdspio(0x2c);
198 cr31 = rdspio(0x31);
199 cr32 = rdspio(0x32);
200 printf("877T: cr00 %x, cr01 %x, cr04 %x, cr09 %x, cr0d %x, cr14 %x, "
201 "cr15 %x, cr16 %x, cr17 %x, cr18 %x, cr19 %x, cr24 %x, cr25 %x, "
202 "cr28 %x, cr2c %x, cr31 %x, cr32 %x\n", cr00, cr01, cr04, cr09,
203 cr0d, cr14, cr15, cr16, cr17,
204 cr18, cr19, cr24, cr25, cr28, cr2c, cr31, cr32);
205}
206#endif
207
208int
209puc_config_win877(struct puc_softc *sc)
210{
211 u_char val;
212 u_int efir, efdr;
213 bus_space_tag_t bst;
214 bus_space_handle_t bsh;
215 struct resource *res;
216
217 res = sc->sc_bar_mappings[0].res;
218
219 bst = rman_get_bustag(res);
220 bsh = rman_get_bushandle(res);
221
222 /* configure the first W83877TF */
223 bus_space_write_1(bst, bsh, 0x250, 0x89);
224 efir = 0x251;
225 efdr = 0x252;
226 val = rdspio(0x09) & 0x0f;
227 if (val != 0x0c) {
228 printf("conf_win877: Oops not a W83877TF\n");
229 return (ENXIO);
230 }
231
232#ifdef PUC_DEBUG
233 printf("before: ");
234 puc_print_win877(bst, bsh, efir, efdr);
235#endif
236
237 val = rdspio(0x16);
238 val |= 0x04;
239 wrspio(0x16, val);
240 val &= ~0x04;
241 wrspio(0x16, val);
242
243 wrspio(0x24, 0x2e8 >> 2);
244 wrspio(0x25, 0x2f8 >> 2);
245 wrspio(0x17, 0x03);
246 wrspio(0x28, 0x43);
247
248#ifdef PUC_DEBUG
249 printf("after: ");
250 puc_print_win877(bst, bsh, efir, efdr);
251#endif
252
253 bus_space_write_1(bst, bsh, 0x250, 0xaa);
254
255 /* configure the second W83877TF */
256 bus_space_write_1(bst, bsh, 0x3f0, 0x87);
257 bus_space_write_1(bst, bsh, 0x3f0, 0x87);
258 efir = 0x3f0;
259 efdr = 0x3f1;
260 val = rdspio(0x09) & 0x0f;
261 if (val != 0x0c) {
262 printf("conf_win877: Oops not a W83877TF\n");
263 return(ENXIO);
264 }
265
266#ifdef PUC_DEBUG
267 printf("before: ");
268 puc_print_win877(bst, bsh, efir, efdr);
269#endif
270
271 val = rdspio(0x16);
272 val |= 0x04;
273 wrspio(0x16, val);
274 val &= ~0x04;
275 wrspio(0x16, val);
276
277 wrspio(0x24, 0x3e8 >> 2);
278 wrspio(0x25, 0x3f8 >> 2);
279 wrspio(0x17, 0x03);
280 wrspio(0x28, 0x43);
281
282#ifdef PUC_DEBUG
283 printf("after: ");
284 puc_print_win877(bst, bsh, efir, efdr);
285#endif
286
287 bus_space_write_1(bst, bsh, 0x3f0, 0xaa);
288 return (0);
289}
290
291#undef rdspio
292#undef wrspio
293
|